ref: d7613e356c55a3b7a1140a1f6d8aa6dca43b9d97
dir: /sys/src/cmd/plumb/mkfile/
</$objtype/mkfile TARG=plumber plumb BIN=/$objtype/bin </sys/src/cmd/mkmany PLUMBER=plumber.$O fsys.$O match.$O rules.$O PLUMB=plumb.$O $PLUMBER: $HFILES plumber.h $PLUMB: $HFILES $O.plumb: $PLUMB $O.plumber: $PLUMBER syms:V: $CC -a plumber.c > syms $CC -aa fsys.c match.c rules.c >>syms